Home / 4,259.93-6,390.86-1,298.63

Finding the Fourth Proportional to 4,259.93, 6,390.86 and 1,298.63

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Solution

The fourth proportional to 4,259.93, 6,390.86 and 1,298.63 is: 1,948.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.93 : 6,390.86 = 1,298.63 : x
  2. Step 2: Convert to fraction form
    4,259.93/6,390.86 = 1,298.63/x
  3. Step 3: Cross multiply
    4,259.93x = 6,390.86 × 1,298.63
  4. Step 4: Simplify right side
    4,259.93x = 8,299,372.01
  5. Step 5: Solve for x
    x = 8,299,372.01/4,259.93
  6. Step 6: Final answer
    x = 1,948.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.